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Finding the Fourth Proportional to 1,774.12, 2,662.26 and 952.12

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Solution

The fourth proportional to 1,774.12, 2,662.26 and 952.12 is: 1,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.12 : 2,662.26 = 952.12 : x
  2. Step 2: Convert to fraction form
    1,774.12/2,662.26 = 952.12/x
  3. Step 3: Cross multiply
    1,774.12x = 2,662.26 × 952.12
  4. Step 4: Simplify right side
    1,774.12x = 2,534,790.99
  5. Step 5: Solve for x
    x = 2,534,790.99/1,774.12
  6. Step 6: Final answer
    x = 1,428.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.